2022 American Transplant Congress
Regulatory T Cells Suppress Memory IL-17a Production in Highly Sensitised Patients with End-Stage Renal Disease
*Purpose: Highly sensitised patients exhibit poorer long-term outcomes following renal transplantation compared to those non sensitised individuals. IL17-A has been associated with acute rejection. Presence…2022 American Transplant Congress
IL-15 Signaling is Required for the Maintenance of Tissue Resident Memory T Cells in Chronic Allograft Rejection
1Starzl Transplantation Institute, Pittsburgh, PA, 2JN Biosciences, Mountain View, CA
*Purpose: Currently, no immunotherapies have been clinically proven to prevent or treat chronic rejection. IL-15 is known to support memory T cell homeostasis. However, it…2022 American Transplant Congress
The Impact of Yttium-90 Radioembolization on T Cell Phenotypes in Bridged to Transplant Hepatocellular Carcinoma Patients
Ochsner Health System, New Orleans, LA
*Purpose: Response to locoregional therapy (LRT) in hepatocellular carcinoma (HCC) impacts both progression-free survival (PFS) and bridge to transplant success. Yttrium-90 (Y90) is an effective…2022 American Transplant Congress
Neuropilin-2 is a Novel Checkpoint Inhibitor That is Required for Long-Term Allograft Survival
Boston Children's Hospital, Boston, MA
*Purpose: We have previously reported that Neuropilin (NRP) 2-associated signaling events modulate PI3K/mTOR/Akt activity in several human cell lines. While intrinsic NRP1 activity has been…2022 American Transplant Congress
Batf3 and IRF4 in Control of iTreg Differentiation, Stability, and Survival
Houston Methodist Research Institute, Houston, TX
*Purpose: The use of in vitro-differentiated induced Tregs (iTregs) in transplantation and various diseases is a promising therapeutic that is limited by challenges to iTreg…2022 American Transplant Congress
Evolution of Cellular and Humoral Immunity During and After a Three Doses-Course of mRNA-1273 COVID-19 Vaccine in Kidney Transplant Recipients
*Purpose: Seroconversion after a 2 doses of mRNA COVID-19 vaccine in kidney transplant recipients (KTR) ranges between 30 and 50% in different series. We previously…2021 American Transplant Congress
CEACAM1 Signaling is Essential to Elicit Tim-3 Inhibitory Regulation in Liver Transplantation
The Dumont-UCLA Transplantation Center, Los Angeles, CA
*Purpose: T cell immunoglobulin domain and mucin domain-3 (TIM-3) has been reported to induce T cell exhaustion. By alleviating hepatic ischemia-reperfusion injury, we have explored…2021 American Transplant Congress
Evaluation of the Differentiation Program of Endogenous Antigen-specific CD8+T Cells Following Transplantation
1Pathology, Johns Hopkins University, Baltimore, MD, 2Surgery, Emory Transplant Center, Atlanta, GA
*Purpose: Despite advances in the survival of transplanted organs, acute T cell mediated rejection remains a significant clinical problem with few effective or targeted treatments.…2021 American Transplant Congress
The Importance of Persistent and Recurrent T Cell Mediated Rejection in Tacrolimus Treated Renal Transplant Recipients
*Purpose: Optimal follow-up after treatment for T-cell mediated rejection (TCMR) is not well-established. We sought to identify the prevalence and clinical associations of repeated TCMR…2021 American Transplant Congress
TIGIT Identifies Polyfunctional Donor-Specific CD4+ T Cells Lost After Kidney Transplantation
Nephrology and Transplantation, Erasmus MC, Rotterdam, Netherlands
*Purpose: Development of T-cell hyporesponsiveness to donor antigen may explain the substantial decrease in the risk for acute rejection in the years following kidney transplantation.…
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